Home / 86,328.59-129,483.60-23,155.00

Finding the Fourth Proportional to 86,328.59, 129,483.60 and 23,155.00

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Solution

The fourth proportional to 86,328.59, 129,483.60 and 23,155.00 is: 34,730.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,328.59 : 129,483.60 = 23,155.00 : x
  2. Step 2: Convert to fraction form
    86,328.59/129,483.60 = 23,155.00/x
  3. Step 3: Cross multiply
    86,328.59x = 129,483.60 × 23,155.00
  4. Step 4: Simplify right side
    86,328.59x = 2,998,192,347.46
  5. Step 5: Solve for x
    x = 2,998,192,347.46/86,328.59
  6. Step 6: Final answer
    x = 34,730.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.